We're always looking for ways to save money on electricity, and tech blog Unplggd points to a really simple trick: run those electricity-hogging appliances at night, when your electric company has lower rates.

Depending on where you live, many utility companies will charge higher rates during peak hours during the day. Once night rolls around and everyone turns their lights off and stops watching TV, their rates go down:

Simply running your dishwasher at night instead of during the day can save on electricity, gas, and water costs. Hopefully your bedroom is far enough away from your kitchen so the noise is not an issue.

Your gadgets can take advantage of these cost savings as well by primarily plugging in and charging at night during lower electricity rates.

Obviously, this might not be ideal if your bedroom is right next to your super-loud dishwasher or laundry room, but it's a really simple way to work around the higher day rates for utilities. And, if you don't want to leave your gadgets plugged in all night, you can always grab a socket timer to keep them under control. Hit the link to read more. Photo by Bart Everson.